Portable telephone housing



FIG. 1 is a left, front, bottom view of a portable telephone housing showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear plan view thereof; and,

FIG. 4 is a right side plan view thereof.

The broken lines shown in FIGS. 1-4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portable telephone housing, as shown and described. 